MS/NAS Style - A286 CRES Keylocking Threaded Inserts
Miniature - Inch

Material:	Insert - A286 CRES (140 KSI Min)
	Keys- 302 CRES
Finish: Passivated
Tolerances: ±.010 inch unless specified otherwise
Internal Threads: Per SAE AS8879
Dimensions: All dimensions below are in inches
Keys: Miniature inserts are furnished with 2 locking keys
Material Identification Mark: None
Lubrication: Dry Film Lube on Self-Locking Inserts only
Performance: MIL-I-45914A (MS51830)

To request a quote

Click on the
MS or ACME part number
in the chart below

Call
800-323-5582

or email us at
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and a representative will contact you shortly.

Insert								Installation/ Removal
Non-Locking		Self-Locking		Dimensions				Installation/ Removal
MS/NAS	ACME Part Number	MS/NAS	ACME Part Number	Internal Thread Class 3B	External Thread Class 2A	G Thread	H	Install Tool Part No.
MS51830CA101	217-078283	MS51830CA101L	217-079283	2 - 56	8 - 32	.090	.120	217-072552
MS51830CA102	217-078284	MS51830CA102L	217-079284	4 - 40	10 - 32	.125	.170	217-072554
MS51830CA103	217-078285	MS51830CA103L	217-079285	6 - 32	12 - 28	.125	.170	217-072556
MS51830CA104	217-078286	MS51830CA104L	217-079286	8 - 32	1/4 - 28*	.175	.220	217-072558
* Modified Minor Diameter
For inserts with the following options, add the letter code shown to the end of the Acme part number: S — Silver Plate per AMS 2410 SN — Silver Plate Only, No Dry Film Lube (Self-Locking Inserts Only DFL — Dry Film Lube (Non-Locking INserts Only) K — Self Broaching Keys